Senior Business Development Manager

Company: Onnec Group
Apply for the Senior Business Development Manager
Location: London
Job Description:

  • Earnings: Competitive package + comms

Onnec Group is a leading IT infrastructure partner with over 30 years’ experience, and an 850+ team of global experts, specialising in designing, delivering and managing the critical infrastructure businesses depend on. We specialise in structured cabling, network connectivity solutions and managed services, providing end-to-end capability from design and engineering through to deployment, commissioning, maintenance and ongoing support across data centres, enterprise environments and other mission-critical locations. Trusted by leading organisations, we combine highly skilled teams, technical expertise, agile delivery and strong vendor partnerships to deliver complex infrastructure programmes reliably, efficiently and at pace — with an unwavering commitment to quality, security, safety and excellence, every time.

In October 2026, we announced our agreement to be acquired by CBRE Group Inc., subject to regulatory approvals. This marks an exciting next chapter for Onnec, combining continuity and stability with the potential for broader opportunities, new experiences and career pathways. For our people and those considering a future with Onnec, it re-confirms the prospect of building rewarding careers, developing new skills and growing with an ambitious, evolving business like ours.

Our people are fundamental to our success. As we continue to grow, we are committed to creating a supportive, inclusive and rewarding culture where talented people can challenge themselves, develop their careers and be recognised for the contribution they make. Our employee values guide how we work and the culture we want to build, underpinned by a commitment to reward and recognition, equality, diversity and inclusion, reflected in our achievement of the Investors in Diversity Foundational Award.

Onnec Group is a leading IT infrastructure partner with over 30 years’ experience, and an 850+ team of global experts, specialising in designing, delivering and managing the critical infrastructure businesses depend on. We specialise in structured cabling, network connectivity solutions and managed services, providing end-to-end capability from design and engineering through to deployment, commissioning, maintenance and ongoing support across data centres, enterprise environments and other mission-critical locations. Trusted by leading organisations, we combine highly skilled teams, technical expertise, agile delivery and strong vendor partnerships to deliver complex infrastructure programmes reliably, efficiently and at pace — with an unwavering commitment to quality, security, safety and excellence, every time.

In October 2026, we announced our agreement to be acquired by CBRE Group Inc., subject to regulatory approvals. This marks an exciting next chapter for Onnec, combining continuity and stability with the potential for broader opportunities, new experiences and career pathways. For our people and those considering a future with Onnec, it re-confirms the prospect of building rewarding careers, developing new skills and growing with an ambitious, evolving business like ours.

This key role is to proactively promote and sell the core I.T and Infrastructure services portfolio of Onnec to clients in our chosen market sectors. This primarily includes the utilisation of new business generation and closing techniques, with a focus on relationship management, through a consultative selling approach.

Onnec provides I.T and Infrastructure service solution to many of the World’s leading financial and technology companies, delivering in office and data centre environments. This key role will be responsible in targeting end-users within these sectors, both locally and globally, promoting Onnec’s brand, portfolio of solutions and services to secure new clients

This role will be responsible for managing a small team, in our enterprise, MOD and Networking focussed sales team, prior leadership/management experience advantageous.

The position will have access to in-house marketing collateral / activities and the back-up of technical subject matter experts within Onnec. The ultimate aim of the New Business Manager position is to ensure that their clients are purchasing a full range of infrastructure services offered by Onnec.

What your being doing as our Business Development Manager

  • Manage a small team of Business Development Managers
  • Uncover new business opportunities in a pro-active and innovative manner.
  • To achieve the annual set targets as agreed with the Sales Director
  • To ensure all the clients within your responsibility are kept up to date with the products and services being offered by Onnec.
  • To build personal and company relationships with all the clients within their responsibility.
  • Own and communicate Account Development for our key / target’s clients.
  • To ensure that all pricing, proposals and tender documentation is returned in a professional and timely manner as requested by the clients is within your responsibility.
  • To feedback client information to Onnec.
  • To monitor that the service levels being provided by Onnec are in accordance with client expectations and to escalate accordingly.
  • Identify and develop a strong Web of Influence of all relevant stakeholders.
  • To maintain relationships with external suppliers, on pre-sales commercial issues.
  • Own the end-to-end sales process through the lifecycle of sales project i.e. Request for Proposal (RFP)
  • To introduce, if necessary, other internal Onnec staff at the appropriate time within the development of an account or a specific new business deal.
  • To identify tangible opportunities for growth, service, geography, location and site.
  • To ensure the account is being serviced by Onnec to the highest level of quality.
  • Develop an action plan of sales / business activities to help convert business opportunities.
  • To ensure the new business deal is moving towards a positive conclusion in Onnec favor.
  • Communicate the potential client opportunities proactively with relevant Onnec stakeholders.

What we are looking for in our Senior Business Devleopment Manager

  • Sales opening and closing techniques.
  • Experience selling, I.T & Infrastructure Network and/or data centre solutions to end-users.
  • Understanding of the IT industry and its various elements
  • Strong business and commercial acumen
  • RFP process (Sales Processes)
  • Results-oriented
  • Self motivated and able to work in a team.
  • Computer literate – Use of Microsoft products, Word and Excel
  • Excellent inter-personal skills
  • Work well under pressure.
  • Enthusiastic and Dynamic personality

If you feel you have the required skills and experience, click apply now to be considered as our Senior Business Development Manager– we’d love to hear from you!

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Posted: November 14th, 2026